320. A deposition given at a former trial of the same action, or of another action founded in whole or in part upon the same cause of action, may be given in evidence if it is established that the witness who made it is dead, or is so ill as to be unable to be present, or is absent from Québec, provided in all cases that the adverse party had a full opportunity to cross-examine.
1965 (1st sess.), c. 80, a. 320.